Handy Baby Hand-held Car Key Programmer is a hand-held device specially for 4D/46/48 Chips copy, easy for operation, replacement for 468 KEY PRO III. Key Copy Programmer Recognize and Copy: Recognize: Recognize chip 13, 40/41/42/44/45, 4C/46/48, 4D61/62/63/67/68/68﹢/71. Able to tell if 48 chip is from original or deputy factory. Copy: Copy 46, 4D and a partial of original 48 I.E Buick Excelle, you have to use special GMT46/4D Chips, ID48 chips which can change ID.